adv
frightfully
FRYT-fuh-lee
adv
1
In a shocking or dreadful manner.
"The victims were frightfully treated."
2
Very; extremely (dated, chiefly British, often in a posh or old-fashioned tone).
"I'm frightfully sorry, I didn't catch your name."
How to Use Frightfully
Learner’s notesIn plain EnglishMostly used now as an old-fashioned British way of saying "very" ("frightfully sorry", "frightfully kind").
When to use it
Sounds dated or deliberately posh/comic in modern speech.
Word Forms
more frightfully comparative, most frightfully superlative
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The victims were _____ treated.